Leaked source code of windows server 2003
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/* file: mbftApi.cpp */
#include "mbftpch.h"
#include "messages.hpp"
#include "mbftapi.hpp"
MBFT_SEND_FILE_INFO *AllocateSendFileInfo(LPSTR pszPathName);
void FreeSendFileInfo(MBFT_SEND_FILE_INFO *);
MBFTInterface::MBFTInterface
(
IMbftEvents *pEvents,
HRESULT *pHr
)
:
CRefCount(MAKE_STAMP_ID('I','F','T','I')),
m_pEvents(pEvents),
m_pEngine(NULL),
m_FileHandle(0),
m_InStateMachine(FALSE),
m_bFileOfferOK(TRUE),
m_MBFTUserID(0),
m_SendEventHandle(0),
m_ReceiveEventHandle(0)
{
// register window class first
WNDCLASS wc;
::ZeroMemory(&wc, sizeof(wc));
// wc.style = 0;
wc.lpfnWndProc = MBFTNotifyWndProc;
// wc.cbClsExtra = 0;
// wc.cbWndExtra = 0;
wc.hInstance = g_hDllInst;
// wc.hIcon = NULL;
// wc.hbrBackground = NULL;
// wc.hCursor = NULL;
// wc.lpszMenuName = NULL;
wc.lpszClassName = g_szMBFTWndClassName;
::RegisterClass(&wc);
// Create a hidden window for notification
m_hwndNotify = ::CreateWindowA(g_szMBFTWndClassName, NULL, WS_POPUP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, g_hDllInst, NULL);
if (NULL != m_hwndNotify)
{
HANDLE hEvent = ::CreateEvent(NULL, FALSE, FALSE, NULL);
if (NULL != hEvent)
{
if (::PostMessage(g_pFileXferApplet->GetHiddenWnd(), MBFTMSG_CREATE_ENGINE, (WPARAM) hEvent, (LPARAM) this))
{
DWORD dwRet = ::WaitForSingleObject(hEvent, 1000);
ASSERT(WAIT_OBJECT_0 == dwRet);
}
else
{
WARNING_OUT(("MBFTInterface::MBFTInterface: PostMessage failed, err=%d", ::GetLastError()));
}
*pHr = (NULL != m_pEngine) ? S_OK : E_FAIL;
::CloseHandle(hEvent);
return;
}
}
*pHr = E_FAIL;
}
MBFTInterface::~MBFTInterface(void)
{
if (NULL != m_pEngine)
{
m_pEngine->ClearInterfacePointer();
m_pEngine = NULL;
}
if (NULL != m_hwndNotify)
{
::DestroyWindow(m_hwndNotify);
}
}
void MBFTInterface::ReleaseInterface(void)
{
Release();
}
void MBFTInterface::Update(void)
{
// DoStateMachine();
}
HRESULT MBFTInterface::AcceptFileOffer
(
MBFT_FILE_OFFER *pOffer,
LPCSTR pszRecDir,
LPCSTR pszFileName
)
{
BOOL bAcceptFile = (NULL != pszRecDir) && FEnsureDirExists(pszRecDir);
DBG_SAVE_FILE_LINE
return m_pEngine->SafePostMessage(
new FileTransferControlMsg(
pOffer->hEvent,
pOffer->lpFileInfoList->hFile,
pszRecDir,
pszFileName,
bAcceptFile ? FileTransferControlMsg::EnumAcceptFile
: FileTransferControlMsg::EnumRejectFile));
}
void MBFTInterface::RejectFileOffer
(
MBFT_FILE_OFFER *pOffer
)
{
DBG_SAVE_FILE_LINE
m_pEngine->SafePostMessage(
new FileTransferControlMsg(
pOffer->hEvent,
pOffer->lpFileInfoList->hFile,
NULL,
NULL,
FileTransferControlMsg::EnumRejectFile));
}
void MBFTInterface::CancelFt
(
MBFTEVENTHANDLE hEvent,
MBFTFILEHANDLE hFile
)
{
DBG_SAVE_FILE_LINE
m_pEngine->SafePostMessage(
new FileTransferControlMsg(
hEvent,
hFile,
NULL,
NULL,
FileTransferControlMsg::EnumAbortFile));
}
HRESULT MBFTInterface::SendFile
(
LPCSTR lpszFilePath,
T120NodeID nidReceiver,
MBFTEVENTHANDLE *lpEventHandle,
MBFTFILEHANDLE *lpFileHandle
)
{
if (NULL != m_SendEventHandle)
{
// We are waiting for a timeout in a file sent to a 3rd party FT
// that does not support our file end notification
return E_PENDING;
}
#ifdef ENABLE_CONDUCTORSHIP
if( !m_pEngine->ConductedModeOK() )
{
return E_ACCESSDENIED;
}
#endif
::EnterCriticalSection(&g_csWorkThread);
// set event handle
*lpEventHandle = ::GetNewEventHandle();
::LeaveCriticalSection(&g_csWorkThread);
DBG_SAVE_FILE_LINE
HRESULT hr = m_pEngine->SafePostMessage(
new CreateSessionMsg(MBFT_PRIVATE_SEND_TYPE, *lpEventHandle));
if (S_OK == hr)
{
*lpFileHandle = ::GetNewFileHandle();
ULONG cbSize = ::lstrlenA(lpszFilePath)+1;
DBG_SAVE_FILE_LINE
LPSTR pszPath = new char[cbSize];
if (NULL != pszPath)
{
::CopyMemory(pszPath, lpszFilePath, cbSize);
DBG_SAVE_FILE_LINE
hr = m_pEngine->SafePostMessage(
new SubmitFileSendMsg(
0, // SDK only knows node ID
nidReceiver,
pszPath,
*lpFileHandle,
*lpEventHandle,
FALSE));
if (S_OK == hr)
{
m_SendEventHandle = *lpEventHandle;
}
else
{
delete [] pszPath;
}
}
}
return hr;
}
void MBFTInterface::DoStateMachine(MBFTMsg *pMsg)
{
if(!m_InStateMachine)
{
BOOL fHeartBeat = FALSE;
m_InStateMachine = TRUE;
switch(pMsg->GetMsgType())
{
case EnumFileOfferNotifyMsg:
HandleFileOfferNotify((FileOfferNotifyMsg *) pMsg);
break;
case EnumFileTransmitMsg:
HandleProgressNotify((FileTransmitMsg *) pMsg);
fHeartBeat = TRUE;
break;
case EnumFileErrorMsg:
HandleErrorNotify((FileErrorMsg *) pMsg);
break;
case EnumPeerMsg:
HandlePeerNotification((PeerMsg *) pMsg);
break;
case EnumInitUnInitNotifyMsg:
HandleInitUninitNotification((InitUnInitNotifyMsg *) pMsg);
break;
case EnumFileEventEndNotifyMsg:
HandleGenericNotification((FileEventEndNotifyMsg *) pMsg);
break;
default:
ASSERT(0);
break;
} // switch
m_InStateMachine = FALSE;
if (fHeartBeat)
{
::PostMessage(g_pFileXferApplet->GetHiddenWnd(), MBFTMSG_HEART_BEAT, 0, (LPARAM) m_pEngine);
}
}
}
void MBFTInterface::HandleFileOfferNotify(FileOfferNotifyMsg * lpNotifyMessage)
{
if((m_ReceiveEventHandle == 0) || (m_ReceiveEventHandle != lpNotifyMessage->m_EventHandle))
{
TRACEAPI(" File Offer Notification for [%s], Event: [%ld], Size: [%ld], Handle [%Fp]\n",
lpNotifyMessage->m_szFileName,lpNotifyMessage->m_EventHandle,
lpNotifyMessage->m_FileSize,lpNotifyMessage->m_hFile);
MBFT_FILE_OFFER NewFileOffer;
MBFT_RECEIVE_FILE_INFO FileData;
NewFileOffer.hEvent = lpNotifyMessage->m_EventHandle;
NewFileOffer.SenderID = lpNotifyMessage->m_SenderID;
NewFileOffer.NodeID = lpNotifyMessage->m_NodeID;
NewFileOffer.uNumFiles = 1;
NewFileOffer.lpFileInfoList = &FileData;
NewFileOffer.bIsBroadcastEvent = !lpNotifyMessage->m_bAckNeeded;
::lstrcpynA(FileData.szFileName, lpNotifyMessage->m_szFileName, sizeof(FileData.szFileName));
FileData.hFile = lpNotifyMessage->m_hFile;
FileData.lFileSize = lpNotifyMessage->m_FileSize;
FileData.FileDateTime = lpNotifyMessage->m_FileDateTime;
m_pEvents->OnFileOffer(&NewFileOffer);
}
}
void MBFTInterface::HandleProgressNotify(FileTransmitMsg * lpProgressMessage)
{
MBFT_NOTIFICATION wMBFTCode = (MBFT_NOTIFICATION)lpProgressMessage->m_TransmitStatus;
TRACEAPI(" Notification [%x] from Event [%ld], Handle: [%ld] FileSize: [%ld], Bytes Xfered[%ld]\n",
wMBFTCode,lpProgressMessage->m_EventHandle,
lpProgressMessage->m_hFile,
lpProgressMessage->m_FileSize,
lpProgressMessage->m_BytesTransmitted);
switch (wMBFTCode)
{
case iMBFT_FILE_RECEIVE_BEGIN:
if(!m_ReceiveEventHandle)
{
m_ReceiveEventHandle = lpProgressMessage->m_EventHandle;
}
//m_bFileOfferOK = FALSE;
break;
case iMBFT_FILE_RECEIVE_PROGRESS:
case iMBFT_FILE_SEND_PROGRESS:
{
MBFT_FILE_PROGRESS Progress;
Progress.hEvent = lpProgressMessage->m_EventHandle;
Progress.hFile = lpProgressMessage->m_hFile;
Progress.lFileSize = lpProgressMessage->m_FileSize;
Progress.lBytesTransmitted = lpProgressMessage->m_BytesTransmitted;
Progress.bIsBroadcastEvent = lpProgressMessage->m_bIsBroadcastEvent;
m_pEvents->OnFileProgress(&Progress);
}
break;
case iMBFT_FILE_RECEIVE_END:
//m_bFileOfferOK = TRUE;
if(m_ReceiveEventHandle == lpProgressMessage->m_EventHandle)
{
m_ReceiveEventHandle = 0;
}
// fall through
case iMBFT_FILE_SEND_END:
m_pEvents->OnFileEnd(lpProgressMessage->m_hFile);
break;
default:
ASSERT(iMBFT_FILE_SEND_BEGIN == wMBFTCode);
break;
}
}
void MBFTInterface::HandleErrorNotify(FileErrorMsg * lpErrorMessage)
{
TRACEAPI(" Error Notification, Event: [%ld], Handle [%ld], IsLocal = [%d]\n",
lpErrorMessage->m_EventHandle,lpErrorMessage->m_hFile,
lpErrorMessage->m_bIsLocalError);
MBFT_EVENT_ERROR Error;
Error.hEvent = lpErrorMessage->m_EventHandle;
Error.bIsLocalError = lpErrorMessage->m_bIsLocalError;
Error.UserID = lpErrorMessage->m_UserID;
Error.hFile = lpErrorMessage->m_hFile;
Error.bIsBroadcastEvent = lpErrorMessage->m_bIsBroadcastEvent;
if(LOWORD(Error.hFile) == LOWORD(_iMBFT_PROSHARE_ALL_FILES))
{
Error.hFile = _iMBFT_PROSHARE_ALL_FILES;
}
Error.eErrorType = (MBFT_ERROR_TYPES)lpErrorMessage->m_ErrorType;
Error.eErrorCode = (MBFT_ERROR_CODE)lpErrorMessage->m_ErrorCode;
m_pEvents->OnFileError(&Error);
}
void MBFTInterface::HandlePeerNotification(PeerMsg * lpNewMessage)
{
TRACEAPI(" Peer Notification, Node [%u], UserID [%u], IsProshare = [%u], Added = [%u]\n",
lpNewMessage->m_NodeID,
lpNewMessage->m_MBFTPeerID,lpNewMessage->m_bIsProsharePeer,
lpNewMessage->m_bPeerAdded);
MBFT_PEER_INFO PeerInfo;
PeerInfo.NodeID = lpNewMessage->m_NodeID;
PeerInfo.MBFTPeerID = lpNewMessage->m_MBFTPeerID;
PeerInfo.bIsProShareApp = lpNewMessage->m_bIsProsharePeer;
PeerInfo.MBFTSessionID = lpNewMessage->m_MBFTSessionID;
//PeerInfo.bIsLocalPeer = lpNewMessage->m_bIsLocalPeer;
::lstrcpynA(PeerInfo.szAppKey,lpNewMessage->m_szAppKey, sizeof(PeerInfo.szAppKey));
//lstrcpyn(PeerInfo.szProtocolKey,lpNewMessage->m_szProtocolKey, sizeof(PeerInfo.szProtocolKey));
if(!lpNewMessage->m_bIsLocalPeer)
{
TRACEAPI("Delivering PEER Notification\n");
if (lpNewMessage->m_bPeerAdded)
{
m_pEvents->OnPeerAdded(&PeerInfo);
}
else
{
m_pEvents->OnPeerRemoved(&PeerInfo);
}
}
if(lpNewMessage->m_bIsLocalPeer)
{
if(lpNewMessage->m_bPeerAdded)
{
m_MBFTUserID = PeerInfo.MBFTPeerID;
m_pEvents->OnInitializeComplete();
}
}
}
void MBFTInterface::HandleInitUninitNotification(InitUnInitNotifyMsg * lpNewMessage)
{
if (lpNewMessage->m_iNotifyMessage == EnumInvoluntaryUnInit)
{
if (NULL != m_pEvents)
{
m_pEvents->OnSessionEnd();
}
}
}
void MBFTInterface::HandleGenericNotification(FileEventEndNotifyMsg * lpNewMessage)
{
if (m_SendEventHandle == lpNewMessage->m_EventHandle)
{
m_SendEventHandle = 0;
}
m_pEvents->OnFileEventEnd(lpNewMessage->m_EventHandle);
}
MBFT_SEND_FILE_INFO *AllocateSendFileInfo(LPSTR pszPathName)
{
MBFT_SEND_FILE_INFO *p = new MBFT_SEND_FILE_INFO;
if (NULL != p)
{
::ZeroMemory(p, sizeof(*p));
ULONG cb = ::lstrlenA(pszPathName) + 1;
p->lpszFilePath = new char[cb];
if (NULL != p->lpszFilePath)
{
::CopyMemory(p->lpszFilePath, pszPathName, cb);
#ifdef BUG_INTL
::AnsiToOem(p->lpszFilePath, p->lpszFilePath);
#endif /* BUG_INTL */
}
else
{
delete p;
p = NULL;
}
}
return p;
}
void FreeSendFileInfo(MBFT_SEND_FILE_INFO *p)
{
if (NULL != p)
{
delete p->lpszFilePath;
delete p;
}
}
HRESULT MBFTInterface::SafePostNotifyMessage(MBFTMsg *pMsg)
{
if (NULL != pMsg)
{
AddRef();
if( !::PostMessage(m_hwndNotify, MBFTNOTIFY_BASIC, (WPARAM) pMsg, (LPARAM) this) )
{
Release();
delete pMsg;
pMsg = NULL;
}
return S_OK;
}
ERROR_OUT(("MBFTInterface::SafePostNotifyMessage: null msg ptr"));
return E_OUTOFMEMORY;
}
LRESULT CALLBACK
MBFTNotifyWndProc
(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
switch (uMsg)
{
case MBFTNOTIFY_BASIC:
{
MBFTInterface *pIntf = (MBFTInterface *) lParam;
MBFTMsg *pMsg = (MBFTMsg *) wParam;
ASSERT(NULL != pIntf);
ASSERT(NULL != pMsg);
pIntf->DoStateMachine(pMsg);
delete pMsg;
pIntf->Release();
}
break;
case WM_CLOSE:
::DestroyWindow(hwnd);
break;
default:
return ::DefWindowProc(hwnd, uMsg, wParam, lParam);
}
return 0;
}